VariableCollection class

A collection of document variables. To learn more, visit the Work with Document Properties documentation article.

Variable names and values are strings.

Variable names are case-insensitive.

Name	Description
`__getitem__(index)`	Gets or sets a document variable at the specified index. `None` values are not allowed as a right hand side of the assignment and will be replaced by empty string.

Name	Description
count	Gets the number of elements contained in the collection.

Name	Description
add(name, value)	Adds a document variable to the collection.
clear()	Removes all elements from the collection.
contains(name)	Determines whether the collection contains a document variable with the given name.
get_by_name(name)	Gets or a sets a document variable by the case-insensitive name. `None` values are not allowed as a right hand side of the assignment and will be replaced by empty string.
index_of_key(name)	Returns the zero-based index of the specified document variable in the collection.
remove(name)	Removes a document variable with the specified name from the collection.
remove_at(index)	Removes a document variable at the specified index.